statistics

posted by .

test the claim that less than 30% of the students in class own a car at the 0.10 significance level.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Statistics

    Use a x squared-test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics. Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = …
  2. Statistics

    Use a chi-squared test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics. Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 …
  3. statistics

    The manager of a service station is in the process of analyzing the number of times car owners change the oil in their cars. She believes that the average motorist changes his or her car's oil less frequently than recommended by the …
  4. statistics

    A group of students who are female is greater than 0.5. a sample of 120 students reveals that 76 are females. use the 5% leave of significance to test this claim.
  5. statistic

    the proportion of students who smoke is less that 0.35. a sample of 55 reveals that 20 smoke. use the 10% level of significance to test this claim.
  6. statistics

    suppose we went to test the claim that the average GPA of all students in this university is at least 2.8. however , from out class with 25 students, we find the average GPA is only 2.7 with standard deviation 0.35. can we reject the …
  7. statistics

    Use a 1.15 level of significance to test a claim that a true proportion is less than 47% when n=250 and x-112
  8. statistics

    A student claims the average amount of time spent studying for an exam is less than or equal to 120 minutes. A random sample of 101 students is drawn from a normal distribution. The sample mean is 140 with a sample standard deviation …
  9. Statistics

    It is pretty common across most schools to find the grades at the MBA level divided between A's and B's. As such, you expect the mean GPA to be around 3.50. Using the sample of 200 MBA students, conduct a one-sample hypothesis test …
  10. Statistics (Math 210)

    Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I receive! :) According to a local chamber of commerce, in 1993, 5.9% of local area residents owned more than five …

More Similar Questions